Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4192455 | Apparatus for controlling the supply temperature in a central heating installation | Knud Julius Hallgreen | 1980-03-11 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4192455 | Apparatus for controlling the supply temperature in a central heating installation | Knud Julius Hallgreen | 1980-03-11 |